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How many pores per square inch does a GORE-TEX membrane have?
nine billion pores
Each square inch of a GORE-TEX membrane contains nine billion pores, making it a scientific feat for the geek at heart. The GORE-TEX membrane contains nine billion pores per square inch of fabric, making it a scientific feat for the geek at heart.”
How porous is GORE-TEX?
Each square inch of the GORE-TEX membrane has nine billion pores. Each of these tiny holes is 20,000 times smaller than a water droplet. This is what makes the membrane in everything in the original GORE-TEX products range waterproof: rain and snow simply cannot get in.
What is GORE-TEX membrane?
GORE-TEX membranes are waferthin films that can be permeated by water vapour, not, however, by drops of water. This is because the pores of a GORE-TEX membrane are 20,000 times smaller than drops of water, but 700 times larger than the pores of water vapour.
What happened to GORE-TEX?
Gore-Tex’s main patent expired in 1997, but the company has fiercely defended its market share, writes Macquarie Research analyst Laurent Vasilescu in a report. When the boot maker Vasque, for example, introduced a product using competing eVent technology in 2002, its Gore-Tex licenses were terminated.
Is Gore-Tex bad for you?
Unfortunately, Gore-tex is made from the highly toxic, extremely persistent group of chemicals called perfluorochemicals (PFCs). Also used in Teflon, Stainmaster and Scotchgard, PFCs now thoroughly contaminate our air, water and bloodstreams.
Is Gore owned by Gore-Tex?
Overview. W. L. Gore & Associates, Inc., was founded January 1, 1958, in Newark, Delaware, by Wilbert L. (Bill) and Genevieve (Vieve) Gore. Today, with $3.8 billion in annual revenues, the enterprise is privately owned.
Why is GORE-TEX bad?
Q: Is my Gore-tex gear bad for the environment? Unfortunately, Gore-tex is made from the highly toxic, extremely persistent group of chemicals called perfluorochemicals (PFCs). Also used in Teflon, Stainmaster and Scotchgard, PFCs now thoroughly contaminate our air, water and bloodstreams.